U.S. federal trademark · Serial No. 74102027 · Reg. No. 1815707
telephone apparatus;, namely, audio intercoms, video intercoms, audio visual nurse call intercoms, background music intercoms, and intercoms having feature allowing for electronic paging in accordance with alphabetical directory; closed circuit television; loudspeakers; electronic residential and commercial intruder and buglar alarms not for use in vehicles, annunciators, visual annunciators; sound amplifiers; microphones; electronic paging horns; [ radio/stereo tuners; ] telephone with microphone attachment to be used for public addressing; electric door openers, electronic mechanical controls;, namely, bells, buzzers, chimes and push buttons for use in the communications field; electronic control board for use in indicating doctors' presence [ ; and megaphones ]
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